---
title: "setMutedSpeechActivityEventListener(_:)"
framework: avfaudio
role: symbol
role_heading: Instance Method
path: "avfaudio/avaudioinputnode/setmutedspeechactivityeventlistener(_:)"
---

# setMutedSpeechActivityEventListener(_:)

## Declaration

```swift
func setMutedSpeechActivityEventListener(_ listenerBlock: (@Sendable (AVAudioVoiceProcessingSpeechActivityEvent) -> Void)?) -> Bool
```

## See Also

### Handling Muted Speech Events

- [AVAudioVoiceProcessingSpeechActivityEvent](avfaudio/avaudiovoiceprocessingspeechactivityevent.md)